Datasheet for AD7739:
- Manufacturer Part Number : AD7739
- Manufacturer : AD
- Description : 8-Channel, 4 kHz, 24-Bit Sigma-Delta A/D Converter
- Series : AD7739
- Reference Price : USD 6.376
- Our Price : We have a better price, contact us by email
- Product Type : Precision A/D Converters
- Function : Multiplexed A/D Converters
- Current Suggest : Production
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : AD7739
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- High resolution ADC
- 24 bits no missing codes
- ±0.0015% Nonlinearity - Optimized for Fast Channel Switching
- 18-Bits p-p Resolution (21 Bits Effective) at 500 Hz
- 16-Bits p-p Resolution (19 Bits Effective) at 4 kHz
- On-Chip Per Channel System Calibration - Configurable Inputs 8 Single-Ended or 4 Fully Differential
- Input Ranges
- +625 mV, ±625 mV, +1.25 V, ±1.25 V, +2.5 V, ±2.5 V - 3-Wire Serial Interface SPI®, QSPI™, MICROWIRE™ and DSP Compatible
- Schmitt Trigger on Logic Inputs - Single-Supply Operation
- 5 V Analog Supply
- 3 V or 5 V Digital Supply - Package: 24-Lead TSSOP
The AD7739 is a high precision, high throughput analog front end. True 16-bit peak-to-peak resolution is achievable with a total conversion time of 250 µs (4 kHz channel switching) making it ideally suitable for high resolution multiplexing applications.
The AD7739 is based on a sigma-delta architecture and features up to 24 bits of no missing codes performance. The part can be configured via a simple digital interface, which allows users to balance the noise performance against data throughput up to a 15.4 kHz conversion rate. The analog front end features 8 single-ended or 4 fully differential input channels with unipolar or bipolar 625 mV, 1.25 V and 2.5 V input ranges and accepts a common mode input voltage from 200 mV above AGND to AVDD-300 mV. The ADC supports per channel system calibration options.
The digital serial interface can be configured for three-wire operation and is compatible with microcontrollers and digital signal processors. All interface inputs are Schmitt triggered.
The part is specified for operation over the extended industrial temperature range of -40ºC to +105ºC and is available in 24-lead TSSOP package.
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.